Search a number
-
+
31342422443 is a prime number
BaseRepresentation
bin11101001100001001…
…110110100110101011
32222220022022000202212
4131030021312212223
51003142130004233
622222024515335
72156460123623
oct351411664653
988808260685
1031342422443
1112323a86972
1260a861bb4b
132c565343c7
14173484d883
15c368e8a48
hex74c2769ab

31342422443 has 2 divisors, whose sum is σ = 31342422444. Its totient is φ = 31342422442.

The previous prime is 31342422421. The next prime is 31342422479. The reversal of 31342422443 is 34422424313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31342422443 - 26 = 31342422379 is a prime.

It is not a weakly prime, because it can be changed into another prime (31342422493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15671211221 + 15671211222.

It is an arithmetic number, because the mean of its divisors is an integer number (15671211222).

Almost surely, 231342422443 is an apocalyptic number.

31342422443 is a deficient number, since it is larger than the sum of its proper divisors (1).

31342422443 is an equidigital number, since it uses as much as digits as its factorization.

31342422443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 32.

Adding to 31342422443 its reverse (34422424313), we get a palindrome (65764846756).

The spelling of 31342422443 in words is "thirty-one billion, three hundred forty-two million, four hundred twenty-two thousand, four hundred forty-three".